linux-kernel - Re: [patch] Change softlockup trigger limit using a kernel parameter

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Message-Id: <20070718160858.75865461.akpm@linux-foundation.org>
Date:	Wed, 18 Jul 2007 16:08:58 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Ravikiran G Thirumalai <kiran@...lex86.org>
Cc:	linux-kernel@...r.kernel.org, shai@...lex86.org
Subject: Re: [patch] Change softlockup trigger limit using a kernel
 parameter

On Mon, 16 Jul 2007 15:26:50 -0700
Ravikiran G Thirumalai <kiran@...lex86.org> wrote:

> Kernel warns of softlockups if the softlockup thread is not able to run
> on a CPU for 10s.  It is useful to lower the softlockup warning
> threshold in testing environments to catch potential lockups early.
> Following patch adds a kernel parameter 'softlockup_lim' to control
> the softlockup threshold.
> 

Why not make it tunable at runtime?

> 
> Control the trigger limit for softlockup warnings.  This is useful for
> debugging softlockups, by lowering the softlockup_lim to identify
> possible softlockups earlier.

Please check your patches with scripts/checkpatch.pl.
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